Platforms that force you to complete endless surveys or download "sponsored" apps rarely, if ever, provide a working code.
Links that lead to a site looking exactly like Discord but with a slightly misspelled URL (e.g., dlscord.gift or discord-nitro.xyz ) are phishing for your credentials. Legitimate Ways to Get Free Nitro Is there a Discord Nitro generator?
Check your Gift Inventory in User Settings for official trials. Platforms that force you to complete endless surveys